{"created":"2023-07-27T07:00:28.093231+00:00","id":60409,"links":{},"metadata":{"_buckets":{"deposit":"9b1a3cf3-9a2b-4c07-a983-615e6e5643bc"},"_deposit":{"created_by":18,"id":"60409","owners":[18],"pid":{"revision_id":0,"type":"depid","value":"60409"},"status":"published"},"_oai":{"id":"oai:kanazawa-u.repo.nii.ac.jp:00060409","sets":["2812:2813:2839"]},"author_link":["2265"],"item_9_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1996-04-14","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"2p.","bibliographicVolumeNumber":"1993 – 1994","bibliographic_titles":[{"bibliographic_title":"平成6(1994)年度 科学研究費補助金 一般研究(B) 研究成果報告書概要"},{"bibliographic_title":"1994 Fiscal Year Final Research Report Summary","bibliographic_titleLang":"en"}]}]},"item_9_creator_33":{"attribute_name":"著者別表示","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{}],"nameIdentifiers":[{},{}]}]},"item_9_description_21":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"1.準備;アルカリ金属は酸化しやすく、また銅等の金属や石英など、さらに多くの有機溶剤とも反応しやすく取り扱いに不便である。そこでその中を高真空に引け、Heガスに置換でき、中で色々な作業が出来る十分の広さのあるグローブ・ボックスを作製した。またこれを用いてK金属の単結晶作製を行ない、この試料を透明石英管にHeガスと共に封入した。\n2.高エネルギー研究所・放射光実験施設で3He‐4He希釈冷凍機を用いた極低温X線測定をK金属単結晶についておこなった。得られたデーターの最低温度は約75mKであった。高温でのラウエ・スポットと最低温度でのラウエ・スポットを比較すると、或る指数のスポットで高温では観測されなかったサテライトらしきものが低温で観測され、またスポット自体も低温で割れているものが観測された。これらが我々が目的としているCDWによるものか、またはまだK金属では観測されていないマルテンサイト変態によるものか、または何かディスロケーションの様なものによるのかこれから明らかにしていく予定である。2回目の実験では温度変化も取りこれらの変化が約10K以下で生じていることが分かった。これは次に述べる帯磁率の温度変化とも対応している。\n3、K金属の帯磁率の温度変化をSQUIDを用いて1。8Kから300Kまで測定した。その結果高温では温度によらずにほぼ一定の値を示し、約20Kから温度変化を始め10K付近から急激な減少を示した。これがCDWの発生による電子状態にギャップが形成された結果である可能性がある。今後の研究に期待する。\n結論として;X線測定、帯磁率測定共にCDW観測の可能性を十分に示唆した結果であった。","subitem_description_type":"Abstract"},{"subitem_description":"1.Preparation : Since the alkali metals are easily oxiclized and also easily react with other metals, quartz and chemical solvents, we must be careful to treat the alkali metals. We made a rather large glove box inside which we can glow the single crystals of K metal and seal the crystal inside the quartz ampule together with He gas.\n2.SOR-Xray : At the Photon Factory of KEK in Tsukuba, We measured the x-ray at low temperatures by using a 3He-4He dilution refrigerator. The lowest temperature of the measurements was 75 mK.Compared the Laue spots measured at the lowest temperature with one measured at the liquid Nitrogen temperature, some spots with some indexes has the satellite and split into two or more spots at the lowest temperature. At present we cannot conclude that these phenomena are resultant of the CDW transition.\n3.Magnetic susceptibility : We measured the temperature dependence of the magnetic susceptibility of K metal by using a SQUID magnetometer between 1.8 and 300K.Above 20 K the magnetic susceptibility is almost temperature independent, but below 20 K it starts to decrease with decreasing temperature. And at about 10 K it decreasing more rapidly. At present we do not know if this temperature dependence of the magnetic susceptibility is due to the forming the electronic energy gap at the Fermi energy by CDW transition.\nIn conclusion our experimental results suggest the possibility of CDW state in K metal.","subitem_description_type":"Abstract"}]},"item_9_description_22":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"研究課題/領域番号:05452053, 研究期間(年度):1993 – 1994","subitem_description_type":"Other"},{"subitem_description":"出典：研究課題「アルカリ金属におけるCDWの研究」課題番号05452053\n（KAKEN：科学研究費助成事業データベース（国立情報学研究所）） \n（https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-05452053/054520531994kenkyu_seika_hokoku_gaiyo/）を加工して作成","subitem_description_type":"Other"}]},"item_9_description_5":{"attribute_name":"提供者所属","attribute_value_mlt":[{"subitem_description":"金沢大学理学部","subitem_description_type":"Other"}]},"item_9_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.24517/00066657","subitem_identifier_reg_type":"JaLC"}]},"item_9_relation_28":{"attribute_name":"関連URI","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"https://kaken.nii.ac.jp/search/?qm=50004370"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://kaken.nii.ac.jp/search/?qm=50004370","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-05452053/"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-05452053/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-05452053/054520531994kenkyu_seika_hokoku_gaiyo/"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-05452053/054520531994kenkyu_seika_hokoku_gaiyo/","subitem_relation_type_select":"URI"}}]},"item_9_version_type_25":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2022-06-30"}],"displaytype":"detail","filename":"SC-PR-SUZUKI-H-kaken 1996-2p.pdf","filesize":[{"value":"91.3 kB"}],"format":"application/pdf","licensetype":"license_11","mimetype":"application/pdf","url":{"label":"SC-PR-SUZUKI-H-kaken 1996-2p.pdf","url":"https://kanazawa-u.repo.nii.ac.jp/record/60409/files/SC-PR-SUZUKI-H-kaken 1996-2p.pdf"},"version_id":"fd38d76f-35ba-43c5-8e7a-100afe2443dc"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"research report","resourceuri":"http://purl.org/coar/resource_type/c_18ws"}]},"item_title":"アルカリ金属におけるCDWの研究","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"アルカリ金属におけるCDWの研究"},{"subitem_title":"A Study of CDW state in alkali metals","subitem_title_language":"en"}]},"item_type_id":"9","owner":"18","path":["2839"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-06-30"},"publish_date":"2022-06-30","publish_status":"0","recid":"60409","relation_version_is_last":true,"title":["アルカリ金属におけるCDWの研究"],"weko_creator_id":"18","weko_shared_id":-1},"updated":"2023-07-27T12:43:56.769896+00:00"}